export default {
	"title": '微机原理及接口技术-在线作业2',
	"testId": '59038',
	"praxiseList": [
		{
			"id": 77472,
			"title": "在宏汇编语言中，计算某个内存单元的偏移地址的运算符是（     ）。",
			"options": "[\"PTR\",\"SEG\",\"OFFSET\",\"EQU\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77473,
			"title": "设BX=1234H，DS=2000H，（21234H）=78H, （21235H）=56H.则指令LEA SI,[BX+1]执行后，SI的值是(   )。",
			"options": "[\"1234H\",\"1235H\",\"5678H\",\"7856H\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77474,
			"title": "若寄存器AX、BX、CX、DX的内容分别为1，2，3，4，CPU依次执行下列指令：PUSH AX   PUSH BX   POP CX  POP DX以上4条指令执行完后，寄存器DX的内容为 （     ）。",
			"options": "[\"1\",\"4\",\"3\",\"2\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77475,
			"title": "若AL内容为04H，则CMP AL，7AH执行后，AL中的内容为（   ）。",
			"options": "[\"80H\",\"00H\",\"04H\",\"7AH\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77476,
			"title": "VAR的定义为：VAR  DW  8A2FH，现要将VAR的高字节取入AL寄存器，正确的语句是（ ）",
			"options": "[\"MOV  AL，BYTE PTR VAR+1\",\"MOV  AL，VAR+1\",\"MOV  AL，VAR\",\"MOV  AL，BYTE PTR VAR\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77477,
			"title": "下面哪个功能调用会破坏AL寄存器的值？",
			"options": "[\"BIOS INT 10H 的功能号0EH\",\"DOS INT 21H 的功能号09H\",\"DOS INT 21H 的功能号0AH\",\"DOS INT 21H 的功能号01H\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77478,
			"title": "设置逻辑段应该采用的一对伪指令是 （         ）。",
			"options": "[\"proc\\/endp\",\"start\\/end start\",\"macro\\/endm\",\"segment\\/ends\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77479,
			"title": "欲设定从偏移地址100H开始安排程序，可使用的伪指令是（         ）   。",
			"options": "[\"“=100H\",\"ORG 100H\",\"EQU 100H\",\"DB 100H\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77480,
			"title": "执行1号DOS系统功能调用，从键盘键入的字符ASCII码存放在（）寄存器中。",
			"options": "[\"CL\",\"BL\",\"AL\",\"DL\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77481,
			"title": "指令SUB   CX, [BX+2]的源操作数的寻址方式是（    ）。",
			"options": "[\"寄存器寻址\",\"基址寻址\",\"间址寻址\",\"变址寻址\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77482,
			"title": "执行下面程序段后，屏幕上显示的内容是________。MOV AH，２；MOV　DL，35H；INT 21H ",
			"options": "[\"5\",\"35\",\"2\",\"3\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77483,
			"title": "下面描述正确的是（   ）。",
			"options": "[\"汇编语言可移植\",\"汇编语言程序运行速度高，属于面向用户的程序语言\",\"汇编语言源程序可直接运行\",\"汇编语言属于低级语言\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77484,
			"title": "系统总线中地址线的功能是（    ）。",
			"options": "[\"选择主存单元地址\",\"选择外存地址\",\"选择进行信息传输的设备\",\"指定主存和I\\/O设备接口电路的地址\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77485,
			"title": "为了解决高速主机和低速外设在速度方面的矛盾，I/O接口电路中一般都设置有（  ）。",
			"options": "[\"读写控制逻辑\",\"端口地址译码器\",\"缓冲器或锁存器\",\"中断控制电路\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77486,
			"title": "存储器直接存取方式的英文缩写是（     ）。",
			"options": "[\"I\\/O\",\"Cache\",\"IDE\",\"DMA\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77487,
			"title": "在以下方式中，CPU不占用总线的方式是（     ）方式。",
			"options": "[\"查询\",\"中断\",\"无条件\",\"DMA\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77488,
			"title": "传送数据时，占用CPU时间最长的传送方式是（  ）",
			"options": "[\"DMA方式\",\"查询方式\",\"中断方式\",\"无条件传送\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77489,
			"title": "微型计算机各部件之间是用(    )连接起来的。",
			"options": "[\"CB\",\"DB\",\"系统总线\",\"AB\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77490,
			"title": "系统总线中地址线的功能是（    ）。",
			"options": "[\"选择主存单元地址\",\"选择外存地址\",\"选择进行信息传输的设备\",\"指定主存和I\\/O设备接口电路的地址\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77491,
			"title": "下列指令中，格式合法的是（  ）。",
			"options": "[\"OUT AL, DX\",\"IN AL, 60H\",\"IN AL, [DX]\",\"IN AL, 100H\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77492,
			"title": "计算机病毒一般具有___几个特点。",
			"options": "[\"破坏性\",\"潜伏性\",\"可触发性\",\"传染性\",\"目的性\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77493,
			"title": "若需将数据段中的源串传送到附加段的目的串，可用的指令有( )",
			"options": "[\"MOV\",\"MOVS\",\"SCAS\",\"LODS和STOS\"]",
			"answer": "[1,2,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77494,
			"title": "网络安全体系中的安全服务包括___",
			"options": "[\"不可否认\",\"数据完整性\",\"访问控制\",\"数据保密\",\"身份认证\"]",
			"answer": "[1,2,3,4,5]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77495,
			"title": "目前显卡常用的接口类型有___。",
			"options": "[\"PCI\",\"AGP\",\"PCI–E\",\"AMD\",\"Inter\"]",
			"answer": "[1,2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77496,
			"title": "目前各国计算机的主要发展动向是___。",
			"options": "[\"计算机成本的小型、微型化\",\"发展计算机性能的大型、巨型化\",\"发展计算机网络和人工智能\",\"计算机软件统一化\",\"计算机使用大众化\"]",
			"answer": "[1,2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77497,
			"title": "无线的通信介质包括___",
			"options": "[\"红外线\",\"光纤\",\"微波\",\"同轴光缆\",\"卫星\"]",
			"answer": "[1,3,5]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77498,
			"title": "文件属性包括___。",
			"options": "[\"只读属性(R)\",\"系统属性(S)\",\"档案属性(A)\",\"隐藏属性(H)\",\"只写属性（W）\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77499,
			"title": "文件压缩后备份的好处有___。",
			"options": "[\"可以节约磁盘空间\",\"可以将较大的文件方便地备份在软盘上\",\"可以连同文件的路径一同备份\",\"有助于文件的安全保存\",\"可以节约读取文件的时间\"]",
			"answer": "[1,2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77500,
			"title": "摄像头的种类分为___几类",
			"options": "[\"微型摄像头\",\"外置式摄像头\",\"内置式摄像头\",\"模拟摄像头\",\"数字摄像头\"]",
			"answer": "[4,5]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77501,
			"title": "按音箱性能来分,可以把音箱分为___几类",
			"options": "[\"迷你音箱\",\"有源音箱\",\"无源音箱\",\"内置式音箱\",\"外置式音箱\"]",
			"answer": "[2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77502,
			"title": "计算机的发展经历了 4个 时代，微型机属于第 4 代计算机。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77503,
			"title": "计算机的发展以电子器件的更新为标志，而微型机的发展是以   CPU   的发展为特征。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77504,
			"title": "计算机中采用2进制数，尾符用B表示。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77505,
			"title": "西文字符的编码是ASCII码，用1个字节表示。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77506,
			"title": "用二进制数表示的十进制编码，简称为BCD码。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77507,
			"title": "汇编语言中不允许递归调用子程序。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77508,
			"title": "汇编语言中,子程序嵌套调用就是递归调用。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77509,
			"title": "控制循环是否结束只能在一次循环结束之后进行。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77510,
			"title": "指令指针或者还包括代码段寄存器值的改变将引起程序流程的改变。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77511,
			"title": "指令CALL 或RET 的执行,不改变程序执行的流程。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:26:14",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		}
	]
}